This is a lower-quality positive print of PET0981_R-3_LA, or another take similar to PET0981_R-4_LA.
00:00 Process plate, night, moving right to left, from automobile or train, 3/4 reverse angle, shot from railroad tracks in industrial area (northwest of downtown Los Angeles, probably along San Fernando Road). Lighted foreground. Train passes through Burbank, possibly Glendale and northwest LA.
03:28 Similar shot, moving left to right.
06:24 Process plate, night, moving, from train, reverse angle looking out at receding railroad tracks. Foreground illuminated.